Explanation

(x - y)^2 = x^2 - 2xy + y^2 and (x + y)^2 = x^2 + 2xy + y^2.

Subtracting these, we get: x^2 - 2xy + y^2 - (x^2 + 2xy + y^2) = x^2 - 2xy + y^2 - x^2 - 2xy - y^2 = -4xy.

Explanation

Forward Defence is a batting technique in cricket used to block the ball safely.

It helps batsmen defend against fast or swinging deliveries to avoid getting out.

Explanation

A set shot in basketball is a stationary shot where the player shoots without jumping.

It is often used in free throws and long-range shooting.

Explanation

Haughtiness means  گمان ۔ گھمنڈ

Explanation

In the word "Plumber," the letter B is silent and not pronounced.

The correct pronunciation is "plu-mer."

Explanation

Prefix: "Re-" (meaning again)

Suffix: "-ing" (present participle form)

Explanation

We use "the" before specific or known nouns, like "the sky", which is unique and already known to the listener.

"The sky" refers to something definite, hence "the" is the correct article.

Explanation

Given:

p^(a - b) × p^(b - c) × p^(c - a)

Using the property of exponents that states a^(m) × a^(n) = a^(m + n), we can simplify:

p^(a - b + b - c + c - a)

= p^(0)

= 1

Explanation

According to official regulations, a standard basketball weighs between 567 to 650 grams.

This weight ensures proper handling, bouncing, and gameplay performance.

Explanation

Silt is actually very useful for gardening, as its fine texture helps retain moisture and nutrients.

It is rich in minerals, making it suitable for plant growth, unlike the statement suggesting it isn't.